San Antonio Endures Prolonged Extreme Heat Wave
San Antonio is experiencing a prolonged period of extreme heat, with triple-digit temperatures continuing and heat advisories issued for areas east of I-35. The high is expected to be around 102°F today, with a heat index reaching near 105°F. This…
San Antonio, TX, August 20, 2026 —
San Antonio is currently under the grip of an extended period of extreme heat. Triple-digit temperatures have become a consistent feature of the local weather, prompting the issuance of heat advisories for areas situated east of the Interstate 35 corridor.
Forecasters predict that the high temperature for today will hover around 102 degrees Fahrenheit. Coupled with humidity, the heat index is expected to climb to approximately 105 degrees Fahrenheit. This intense heat is not a short-term event, as current projections indicate that the oppressive weather conditions will likely continue through the entirety of the upcoming week. Residents are advised to take precautions against the prolonged exposure to high temperatures.
Story summarized from the original created by Justin Horne on www.ksat.com, see more information here.